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10222131221300 = 2252126378089049
BaseRepresentation
bin1001010011000000011010…
…0000000001001100110100
31100012020002220022110120202
42110300012200001030310
52314434411043040200
633423552100020032
72103344640515345
oct224600640011464
940166086273522
1010222131221300
1132911aa647359
12119114b091618
13591c34551ccb
14274a7a58c0cc
1512ad7b2b61d5
hex94c06801334

10222131221300 has 36 divisors (see below), whose sum is σ = 22183782816300. Its totient is φ = 4088528421120.

The previous prime is 10222131221279. The next prime is 10222131221317. The reversal of 10222131221300 is 312213122201.

It can be written as a sum of positive squares in 6 ways, for example, as 1501252516 + 10220629968784 = 38746^2 + 3196972^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2780825 + ... + 5308224.

Almost surely, 210222131221300 is an apocalyptic number.

10222131221300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10222131221300 is an abundant number, since it is smaller than the sum of its proper divisors (11961651595000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10222131221300 is a wasteful number, since it uses less digits than its factorization.

10222131221300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8101700 (or 8101693 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 10222131221300 its reverse (312213122201), we get a palindrome (10534344343501).

The spelling of 10222131221300 in words is "ten trillion, two hundred twenty-two billion, one hundred thirty-one million, two hundred twenty-one thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 12637 25274 50548 63185 126370 252740 315925 631850 1263700 8089049 16178098 32356196 40445245 80890490 161780980 202226225 404452450 808904900 102221312213 204442624426 408885248852 511106561065 1022213122130 2044426244260 2555532805325 5111065610650 10222131221300